ACTRN12615000077561.

Trial name or title	Duration of respiratory support in preterm infants with a gestational age (GA) of < 30 weeks weaned from continuous positive airway pressure (CPAP): a randomised controlled trial comparing heated humidified high flow nasal cannula (HHHFNC) and CPAP.
Methods	RCT. Sample size 120 infants.
Participants	Preterm infants < 30 weeks' gestation having been on nasal CPAP for at least one week.
Interventions	HFNC (Fisher & Paykel) vs. bubble nasal CPAP (Fisher & Paykel).
Outcomes	Duration (in hours) of respiratory support from randomisation to achieving at least 72 hours free of respiratory support.
Starting date	March 2015.
Contact information	Joanne Clements, Middlemore Hospital, New Zealand Email: joanne.clements@middlemore.co.nz
Notes	Australian New Zealand Clinical Trials Registry: